{"product_id":"fleece-freedom-series-cupless-cylinder-head-right-fpe-61-10001-p-cl-2001-2004-6-6l-duramax-lb7","title":"FLEECE FREEDOM SERIES CUPLESS CYLINDER HEAD (RIGHT) FPE-61-10001- P-CL | 2001-2004 6.6L DURAMAX LB7","description":"\u003cp\u003eReplace the right cylinder head on your 2001–2004 GM 6.6L Duramax LB7 with the Fleece Performance FPE-61-10001-P-CL Freedom Series Cupless Cylinder Head. Built from a new aluminum casting, this cylinder head eliminates the factory-style injector cup design to simplify assembly and remove a potential source of injector cup leakage.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ecupless injector bore design\u003c\/strong\u003e eliminates the need to install separate injector cups during engine assembly. This reduces installation complexity while removing the possibility of future leaks between the injector cups and cylinder head.\u003c\/p\u003e\n\n\u003cp\u003eEach Freedom Series cylinder head is assembled in Fleece Performance's engine facility and is CNC machined with a \u003cstrong\u003emulti-angle valve job\u003c\/strong\u003e. New valves, valve guides, valve springs, and valve seals are installed before each head is thoroughly inspected, pressure tested, and leak tested for dependable operation.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to meet or exceed OEM specifications, this fully assembled cylinder head is well suited for daily-driven and towing applications. It is supplied without a core charge, eliminating the need to return your original cylinder head.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCupless injector bore design\u003c\/strong\u003e – Eliminates the need for separate injector cups and the associated potential for injector cup leaks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew aluminum casting\u003c\/strong\u003e – Built from a new casting rather than a remanufactured cylinder head\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC machined\u003c\/strong\u003e – Precision machined with a multi-angle valve job\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully assembled\u003c\/strong\u003e – Includes new valves, valve guides, valve springs, and valve seals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure and leak tested\u003c\/strong\u003e – Each cylinder head is inspected and tested before shipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM-level specifications\u003c\/strong\u003e – Designed to meet or exceed factory specifications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo core charge\u003c\/strong\u003e – No original cylinder head return is required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDaily driving and towing ready\u003c\/strong\u003e – Designed for reliable operation in stock and work-oriented applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Right \/ Passenger Side\u003c\/li\u003e\n  \u003cli\u003eVerify the correct head gasket, fasteners, and related installation components for your application before assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2001–2004 GM 6.6L Duramax LB7\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e FPE-61-10001-P-CL\u003c\/p\u003e","brand":"Fleece Performance Engineering","offers":[{"title":"Default Title","offer_id":54082225799451,"sku":"FPE-61-10001-P-CL","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-10-02at11.10.17AM.png?v=1790979211","url":"https:\/\/wwmperformance.com\/products\/fleece-freedom-series-cupless-cylinder-head-right-fpe-61-10001-p-cl-2001-2004-6-6l-duramax-lb7","provider":"WWM Performance","version":"1.0","type":"link"}